Home / 10,000,392.88-13,800,542.64-5,416,714.25

Finding the Fourth Proportional to 10,000,392.88, 13,800,542.64 and 5,416,714.25

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Solution

The fourth proportional to 10,000,392.88, 13,800,542.64 and 5,416,714.25 is: 7,475,065.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000,392.88 : 13,800,542.64 = 5,416,714.25 : x
  2. Step 2: Convert to fraction form
    10,000,392.88/13,800,542.64 = 5,416,714.25/x
  3. Step 3: Cross multiply
    10,000,392.88x = 13,800,542.64 × 5,416,714.25
  4. Step 4: Simplify right side
    10,000,392.88x = 74,753,595,975,820.62
  5. Step 5: Solve for x
    x = 74,753,595,975,820.62/10,000,392.88
  6. Step 6: Final answer
    x = 7,475,065.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.